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2017 12th IEEE Conference on Industrial Electronics and Applications (ICIEA)最新文献

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Containment control of linear multi-agent systems with stochastic sampled-data 随机抽样数据线性多智能体系统的包容控制
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8282876
Zhenhua Xu, Dan Zhang, Qing‐Guo Wang
The containment control problem for a class of continuous-time linear multi-agent systems is investigated in this paper. A new protocol is introduced that is based on the aperiodic sampled-data collected from the local agent and its neighbors. More specifically, the sampling process is stochastic and it is modelled by a Markovian chain. By the aid of Markovian jump system method and Lyapunov stability theory, the containment control under stochastic sampling is shown to be solvable if some matrix inequalities are satisfied. Meanwhile, the control protocol is designed by solving a set of linear matrix inequalities (LMIs). Finally, a simulation example is given to illustrate the effectiveness of the proposed design.
研究了一类连续时间线性多智能体系统的包含控制问题。提出了一种基于从本地代理及其邻居处采集的非周期采样数据的新协议。更具体地说,抽样过程是随机的,它是由马尔可夫链建模的。利用马尔可夫跳变系统方法和李雅普诺夫稳定性理论,证明了随机抽样条件下的包容控制在满足若干矩阵不等式的条件下是可解的。同时,通过求解一组线性矩阵不等式来设计控制协议。最后,通过仿真实例验证了所提设计的有效性。
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引用次数: 0
The thermal EMF measurement methods for multichannel scanners 多通道扫描仪的热EMF测量方法
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283060
Yaqiong Fu, L. Qian, Le Chen, Zhengkun Li, T. Liu
In the precision measurement system with a multichannel scanner, the thermal electromotive force (EMF) of the scanner should be considered properly. Two kinds of the thermal EMF measurement method are discussed in this paper, which correspond respectively to the systems based on the direct measuring instruments and the comparison measuring instruments. For the direct measurement system, the thermal EMF of each channel is measured. For the comparison system, the thermal EMF of different pairs of channel are measured and the least squares method is used to estimate the effect to the comparison measurement. Examples are also given to illustrate the two methods based on the homemade scanner.
在多通道扫描仪精密测量系统中,应适当考虑扫描仪的热电动势(EMF)。本文讨论了两种热电动势测量方法,分别对应于基于直接测量仪的系统和基于比较测量仪的系统。对于直接测量系统,测量每个通道的热电动势。对于比较系统,测量了不同通道对的热电动势,并采用最小二乘法估计了对比较测量的影响。以自制的扫描仪为例,对两种方法进行了举例说明。
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引用次数: 1
Influences of circuit mismatch on paralleling silicon carbide MOSFETs 电路失配对并联碳化硅mosfet的影响
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8282906
Qin Haihong, Zhang Ying, Zhu Ziyue, Wang Dan, F. Dafeng, Wang Shi-shan, Zhao Chaohui
Current sharing is a major problem for paralleling devices, which can affect the performance and reliability of devices. In this paper, the factors leading to current unbalance in paralleling silicon carbide (SiC) MOSFETs are analyzed, especially the circuit mismatch. A double pulse test circuit based on SiC MOSFET is established for testing the circuit mismatch including common source stray inductance (Ls), switching loop stray inductance (Ld) and the gate driver resistance (Rg). The experimental results verify the influences caused by circuit mismatch on the current sharing in paralleling devices.
电流共享是并联设备的主要问题,它会影响设备的性能和可靠性。本文分析了导致并联碳化硅mosfet电流不平衡的因素,特别是电路失配。建立了基于SiC MOSFET的双脉冲测试电路,用于测试共源杂散电感(Ls)、开关回路杂散电感(Ld)和栅极驱动电阻(Rg)的电路失配。实验结果验证了电路失配对并联器件电流分担的影响。
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引用次数: 16
Evaluation of different SLAM algorithms using Google tangle data 利用Google缠结数据对不同SLAM算法进行评价
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283158
Liyang Liu, Youbing Wang, Liang Zhao, Shoudong Huang
In this paper, we evaluate three state-of-the-art Simultaneous Localization and Mapping (SLAM) methods using data extracted from a state-of-the-art device for indoor navigation — the Google Tango tablet. The SLAM algorithms we investigated include Preintegration Visual Inertial Navigation System (VINS), ParallaxBA and ORB-SLAM. We first describe the detailed process of obtaining synchronized IMU and image data from the Google Tango device, then we present some of the SLAM results obtained using the three different SLAM algorithms, all with the datasets collected from Tango. These SLAM results are compared with that obtained from Tango's inbuilt motion tracking system. The advantages and failure modes of the different SLAM algorithms are analysed and illustrated thereafter. The evaluation results presented in this paper are expected to provide some guidance on further development of more robust SLAM algorithms for robotic applications.
在本文中,我们使用从最先进的室内导航设备——谷歌探戈平板电脑中提取的数据,评估了三种最先进的同步定位和地图绘制(SLAM)方法。我们研究的SLAM算法包括预积分视觉惯性导航系统(VINS)、ParallaxBA和ORB-SLAM。我们首先详细描述了从Google Tango设备获取同步IMU和图像数据的过程,然后介绍了使用三种不同的SLAM算法获得的一些SLAM结果,所有这些结果都来自Tango收集的数据集。这些SLAM结果与Tango内置运动跟踪系统获得的结果进行了比较。然后分析和说明了不同SLAM算法的优点和失效模式。本文提出的评估结果有望为机器人应用中更健壮的SLAM算法的进一步开发提供一些指导。
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引用次数: 7
Three level inverter fault diagnosis using EMD and support vector machine approach 基于EMD和支持向量机方法的三电平逆变器故障诊断
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283093
Mi Beibei, Shen Yanxia, Wu Dinghui, Zhao Zhipu
A fault diagnosis strategy for neutral point clamped three level inverter (NPC) is proposed. Due to the non-stationary characteristics of fault signals, empirical mode decomposition and support vector machine (EMD-SVM) are adopted in the strategy. The load phase voltages are selected as fault detection signals, after preprocessed using the empirical mode decomposition (EMD), fault signals features are extracted by principal component analysis (PCA) with reduced samples dimensions. Finally, an SVM model is used to classify these faulty samples. Simulation results prove the feasibility and good classification performance of the proposed EMD-SVM strategy.
提出了一种中性点箝位三电平逆变器的故障诊断策略。针对故障信号的非平稳特性,采用了经验模态分解和支持向量机(EMD-SVM)方法。选取负载相电压作为故障检测信号,经经验模态分解(EMD)预处理后,采用降维主成分分析(PCA)提取故障信号特征。最后,利用支持向量机模型对故障样本进行分类。仿真结果证明了所提出的EMD-SVM策略的可行性和良好的分类性能。
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引用次数: 12
A novel generalized multilevel converter with the application in D-STATCOM 一种新型通用多电平变换器及其在D-STATCOM中的应用
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8282962
Maosong Zhang, Jiawang Li, Bangxiu Chi, Qunjing Wang, Guoli Li, Qiubo Ye
The multilevel converter is widely used in the industrial field of high-voltage and high-power. However, the active power of the cascaded multilevel converter cannot freely exchange among the three-phase bridge arm. For the problem, this paper proposed a novel generalized multilevel converter topology, which is composed of a cascaded multilevel converter and a three phase converter with a common capacitor of DC side. Based on this topology, the new Distribution Static Synchronous Compensator (D-STATCOM) can distribute the output voltage of the chain unit and the DC side common-capacitor unit. It is helpful for the realization of the active power exchange between the three phase bridge arms, and realizes the control of the unit DC voltage while realizing the three-phase unbalance compensation of the distribution network. The effectiveness and performance of this topology are verified by simulation and has been tested on a practical operation of 3.3kV equipment. It is possible for D-STATCOM to be used in industrial application of three phase unbalanced compensation in medium voltage distribution network.
多电平变换器广泛应用于高压大功率工业领域。然而,级联式多电平变换器的有功功率不能在三相桥臂间自由交换。针对这一问题,本文提出了一种新的广义多电平变换器拓扑结构,该拓扑结构由级联多电平变换器和带直流侧公共电容的三相变换器组成。基于这种拓扑结构,新型的分配静态同步补偿器(D-STATCOM)可以对链单元和直流侧共电容单元的输出电压进行分配。有助于实现三相桥臂之间的有功功率交换,在实现配电网三相不平衡补偿的同时实现对机组直流电压的控制。仿真验证了该拓扑的有效性和性能,并在3.3kV设备的实际运行中进行了测试。D-STATCOM可用于中压配电网三相不平衡补偿的工业应用。
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引用次数: 1
New design of wireless power and bidirectional data transmission 全新设计的无线供电和双向数据传输
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8282873
Chih-Cheng Huang, Hao Jian, Jia-Jing Kao, Chun‐Liang Lin, Yen-Ting Kuo
It's a major drawback of the battery charging in traditional electric vehicles is that it relies on the use of a plug-in device for battery charging. This research proposes a wireless power and bidirectional data transmission scheme, data related to battery status, vehicle identification number, or emergency messages can be mutually transmitted between two isolated units via an LC tank. The primary unit employs an inverter to yield alternating current and power flow to the load via mutual inductance. The secondary unit transfers data by adjusting current of load, and the primary unit receives data based on the zero-voltage switching (ZVS) method. The primary unit transfers command by trimming the current's curve and the secondary unit receives command and make decoding using the period of carrier wave. The design scheme is useful to handle the situation of emergency by sending back the message to the primary unit to make an emergent halt.
传统电动汽车电池充电的一大缺点是需要使用插电式装置进行充电。本研究提出了一种无线供电和双向数据传输方案,电池状态、车辆识别码或紧急信息等相关数据可以通过LC罐在两个隔离的单元之间相互传输。主单元采用逆变器,通过互感产生交流电和功率流给负载。二次单元通过调节负载电流传输数据,一次单元通过零电压开关(ZVS)方式接收数据。主单元通过修整电流曲线传送指令,副单元接收指令并利用载波周期进行解码。该设计方案有助于处理紧急情况,将信息回传给主机组,使其紧急停机。
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引用次数: 1
A simple and effective strategy to reduce switching losses under FS-MPC based on dynamically changing voronoi diagrams 一种基于动态变化voronoi图的FS-MPC开关损耗降低策略
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283079
G. Mirzaeva, G. Goodwin, C. Townsend
Finite Set Model Predictive Control (FS-MPC) is a powerful and popular strategy to control power electronic converters. One important aspect of FS-MPC is to limit switching losses while tracking a given reference. This is typically achieved by including in the cost function an explicit measure of switching losses alongside the tracking error. Appropriate weighting coefficients to these two different measures are typically assigned by trial and error. The paper proposes a novel and very effective way to reduce switching losses without penalising them explicitly in the cost function. This is achieved by virtue of fictitious voltage states, which change their positions depending on the currently chosen switching state. An implementation algorithm proposed in the paper is based on principles of computational geometry, specifically, Voronoi diagrams. The algorithm is very efficient and poses almost no additional computational burden compared to standard quadratic cost function. Its application significantly reduces switching losses of FS-MPC without a major penalty in terms of its harmonic distortion. Moreover, the paper shows that the proposed algorithm can be easily combined with other advances recently developed around MPC. The paper presents extensive simulation results showing the advantages of the proposed method and comparing the performance of its various options.
有限集模型预测控制(FS-MPC)是一种强大而流行的电力电子变流器控制策略。FS-MPC的一个重要方面是在跟踪给定参考时限制开关损耗。这通常是通过在成本函数中包括开关损失和跟踪误差的显式度量来实现的。对于这两种不同的测量方法,通常通过试错法分配适当的加权系数。本文提出了一种新颖且非常有效的方法来减少开关损失,而不需要在代价函数中明确地惩罚它们。这是通过虚构的电压状态来实现的,这些电压状态根据当前选择的开关状态改变其位置。本文提出了一种基于计算几何原理的实现算法,特别是Voronoi图。与标准的二次代价函数相比,该算法效率高,几乎没有额外的计算负担。它的应用大大降低了FS-MPC的开关损耗,而不会对其谐波失真造成重大影响。此外,本文还表明,该算法可以很容易地与围绕MPC的其他最新进展相结合。本文给出了大量的仿真结果,显示了所提出方法的优点,并比较了其各种选项的性能。
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引用次数: 2
Global exact tracking for nonlinear systems: A novel non-recursive design framework 非线性系统的全局精确跟踪:一种新的非递归设计框架
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283084
Chuanlin Zhang, Jun Yang, C. Wen
In this paper, a non-recursive control design method is addressed to solve the exact (practical) tracking problem for a class of inherent nonlinear systems. By introducing a series of coordinates transformation via an output regulation technique, a new one-step design strategy is made feasible by virtue of utilizing the homogeneous system theory. First, a concise stabilizing control law is constructed in a quasi-linear form for the nominal chain of integrators, whose effectiveness is guaranteed by an explicit stability analysis. Second, a scaling gain performed as a bandwidth factor is introduced into the original system and hence the homogeneous domination strategy is applied to derive a robust tracking control law. By proceeding with a rigorous non-recursive stability analysis framework which covers both global asymptotical and finite-time convergence cases, the common recursively treated derivative items in backstepping based design methods are totally avoided while the proposed control performance can be guaranteed. In the case when system is disturbed by bounded mismatched disturbances, it is shown that a global practical tracking control result can be achieved with the same design procedure. Numerical examples and their control performance simulations are given to illustrate the effectiveness and simplicity of the proposed design framework.
针对一类固有非线性系统的精确(实际)跟踪问题,提出了一种非递归控制设计方法。通过输出调节技术引入一系列坐标变换,利用齐次系统理论实现了一种新的一步式设计策略。首先,对名义积分器链以拟线性形式构造了简洁的稳定控制律,并通过显式稳定性分析保证了其有效性。其次,在原系统中引入作为带宽因子的缩放增益,从而采用同构控制策略推导出鲁棒跟踪控制律。通过建立涵盖全局渐近和有限时间收敛情况的严格的非递归稳定性分析框架,在保证控制性能的同时,完全避免了基于退步设计方法中常见的递归处理导数项。在系统受到有界不匹配干扰的情况下,用相同的设计方法可以获得全局实际的跟踪控制结果。数值算例及其控制性能仿真说明了所提设计框架的有效性和简洁性。
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引用次数: 1
Online SoC estimation for Li-ion batteries: A survey explore the distributed secure cloud management to battery packs 锂离子电池的在线SoC评估:一项调查探讨了电池组的分布式安全云管理
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283137
F. Han, K. See, Yong Feng, Xinghuo Yu, X. Yi
Enlightened by the ”Totally Innovative Cloud Things of Connectedness” from the theme of 2017 round Australian National Wide Cyber Security Challenge1, cloud back-end and the hardware devices are identified as important components for cyber security investigation. On the other hand, rechargeable Lithium-ion (Li-ion) battery packs are widely used for energy storages and back-up power supplies. There are numerous embedded sensors in the Battery Management Systems, which provide the first hand data for optimizing the collective performance of the battery packs. Therefore, these sensor nodes are the desired initial starting points for exploring the vulnerabilities and security protections to the decentralized end nodes in IoT. This paper surveys the online SoC estimation of Li-ion batteries, endeavors to understand the models, control and management of the networked rechargeable batteries. This brief aims to initiate a research on decentralized secure cloud management to the end nodes of IoT.
受2017年澳大利亚全国网络安全挑战赛(Australian National Security challenge)主题“Totally Innovative Cloud Things of Connectedness”的启发,云后端和硬件设备被确定为网络安全调查的重要组成部分。另一方面,可充电锂离子(Li-ion)电池组被广泛用于能量存储和备用电源。电池管理系统中有许多嵌入式传感器,为优化电池组的整体性能提供第一手数据。因此,这些传感器节点是探索物联网中分散的终端节点的漏洞和安全保护的理想初始起点。本文对锂离子电池的在线SoC估计进行了研究,试图了解联网充电电池的模型、控制和管理。本简介旨在开展物联网终端节点分散安全云管理的研究。
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引用次数: 4
期刊
2017 12th IEEE Conference on Industrial Electronics and Applications (ICIEA)
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